1. Introduction
Thank you for choosing the EZGHAR Ostmars Portable Electric Juicer Blender Cup. This device is designed for convenient preparation of fresh juices and smoothies on the go. Its compact size, dual-use functionality, and rechargeable battery make it ideal for outdoor activities, sports, and daily use. Please read this manual carefully before operating the product to ensure safe and efficient use.
2. Safety Information
- Automatic Safety Shut-off: The blender is equipped with a safety mechanism that halts operation if the lid is opened during juicing. This prevents accidental injury.
- Leak Prevention: The bottle features a safety lock design to prevent leaks during transport. Ensure the lid is securely fastened before carrying.
- Do not immerse the motor base in water or other liquids. Clean with a damp cloth only.
- Keep out of reach of children.
- Do not operate the blender when empty.
- Avoid touching the blades when the device is powered on or connected to a power source.
- Use only the provided charging cable.
3. Package Contents
The package for the 1PC White variant typically includes:
- 1 x Juicing Blender Cup (800mL capacity)
- 1 x Straw
- 1 x Straight Drink Lid
- 1 x Juicer Lid (pre-attached to the motor base)
- 1 x Cup Strap
- 1 x USB Charging Cable
- 1 x User Manual
4. Setup
4.1 Initial Charge
Before first use, fully charge the blender cup. Connect the provided USB charging cable to the Type-C port on the motor base and to a compatible USB power source (e.g., AC adapter, car charger, power bank). A full charge takes approximately 4 hours and provides enough power for 10-15 blending cycles.

Image: The blender cup connected to a USB power source for charging.
4.2 Initial Cleaning
Wash all detachable parts (cup, lids, straw) with warm soapy water before first use. Rinse thoroughly and dry. Do not wash the motor base in water.
4.3 Assembly
Attach the desired lid (juicer lid with blades or straight drink lid) to the cup. If using the juicer lid, ensure it is securely twisted onto the cup to prevent leaks and activate the safety mechanism.
5. Operating Instructions
5.1 Preparing Ingredients
Cut fruits and vegetables into small pieces (approximately 1-inch cubes) to ensure optimal blending. Add liquid (water, milk, juice) up to the 500mL juicing capacity mark. The total cup capacity is 800mL.
5.2 Blending
- Ensure the juicer lid is securely attached to the cup.
- Double-click the start button located on the motor base to begin blending.
- The blending cycle will automatically complete after 40 seconds.
- For thicker mixtures or desired consistency, you may repeat the blending cycle.

Image: Close-up of the blender's features, including the start button and charging port.
5.3 Dual-Use Functionality
After blending, you can either drink directly from the cup using the juicer lid's straw opening or replace the juicer lid with the straight drink lid for a standard water bottle experience.

Image: Various usage scenarios of the portable blender, including drinking with a straw and portability.
6. Maintenance and Cleaning
6.1 Cleaning the Cup and Lids
After each use, disassemble the cup and lids. Wash them with warm soapy water. A cleaning brush (often included) can be used to reach all areas. Rinse thoroughly and allow to air dry.

Image: The main product view, including the cleaning brush.
6.2 Cleaning the Motor Base
Wipe the exterior of the motor base with a damp cloth. Do not immerse the motor base in water or place it in a dishwasher. Ensure the charging port is dry before charging.
6.3 Storage
Store the blender cup in a clean, dry place when not in use. Ensure all parts are dry before storing to prevent mold or odors.
7. Troubleshooting
- Blender does not start:
- Ensure the battery is charged.
- Verify the juicer lid is securely attached to the cup. The safety mechanism prevents operation if not properly aligned.
- Double-click the start button firmly.
- Ingredients are not blending smoothly:
- Cut ingredients into smaller pieces.
- Add more liquid.
- Do not overfill the cup beyond the 500mL juicing capacity.
- Shake the cup gently during blending to help circulate ingredients.
- Leaking:
- Ensure the lid is tightly screwed onto the cup.
- Check that the silicone seal/gasket is properly seated and not damaged.
8. Specifications
| Brand | EZGHAR |
| Model | B0CTKCZ8HM |
| Function | Juicing, Blending |
| Speed | 15001-18000 RPM |
| Cutter Head Type | 10-blade three-dimensional |
| Liner Material | PP Food Grade Plastic |
| Additional Features | Rechargeable, Portable, Safety Lock |
| Battery Capacity | 2 x 1500mAh (Total 3000mAh) |
| Power | 80W |
| Voltage | 7.4V |
| Capacity | 800mL (Total), 500mL (Juicing) |
| Dimensions (L x W x H) | 140mm x 140mm x 225mm (5.51"D x 5.51"W x 8.86"H) |
| Body Material | Plastic |
| Color | White |
9. Warranty and Support
This product comes with a standard manufacturer's warranty. For specific warranty details, please refer to the documentation included with your purchase or contact the retailer. For technical support, troubleshooting assistance, or inquiries regarding your EZGHAR Ostmars Portable Electric Juicer Blender Cup, please contact EZGHAR customer service through your purchase platform.